6497239392 has 480 divisors, whose sum is σ = 23534945280. Its totient is φ = 1716940800.

The previous prime is 6497239391. The next prime is 6497239421. The reversal of 6497239392 is 2939327946.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6497239391) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 16202392 + ... + 16202792.

It is an arithmetic number, because the mean of its divisors is an integer number (49031136).

Almost surely, 2^6497239392 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6497239392, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11767472640).

6497239392 is an abundant number, since it is smaller than the sum of its proper divisors (17037705888).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6497239392 is a wasteful number, since it uses less digits than its factorization.

6497239392 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 496 (or 479 counting only the distinct ones).

The product of its digits is 4408992, while the sum is 54.

The square root of 6497239392 is about 80605.4551007561. The cubic root of 6497239392 is about 1865.9913358641.

The spelling of 6497239392 in words is "six billion, four hundred ninety-seven million, two hundred thirty-nine thousand, three hundred ninety-two".